简单的派生类的构造函数

#include <iostream>
#include <string.h>
/* run this program using the console pauser or add your own getch, system("pause") or input loop */
using namespace std;
class Student
{
    public:
        Student(int n,string nam,char s)
        {
            num=n;
            name=nam;
            sex=s;
        }
        ~Student(){
        }
        protected:
            int num;
            string name;
            char sex;
};

class Student1:public Student
{
    public:
        Student1(int n,string nam,char s,int a,string ad):Student(n,nam,s)
        {
            age=a;
            addr=ad;
        }
        void show()
        {
            cout<<"num:"<<num<<endl;
            cout<<"name:"<<name<<endl;
            cout<<"sex:"<<sex<<endl;
            cout<<"age:"<<age<<endl;
            cout<<"address:"<<addr<<endl<<endl;
        }
        ~Student1(){
        }
    private:
        int age;
        string addr;
};
int main(int argc, char** argv) {
    Student1 stud1(10010,"wang",'f',19,"bj");
    Student1 stud2(10011,"zhang",'m',21,"sh");
    stud1.show();
    stud2.show();
    return 0;
}